. >> rose: barack obama being the latest. >> another example. yeah. >> rose: thank you all. back in a moment. stay with us. >> from dallas, texas, the flash apparently official. president kennedy died at 1:00 p.m. central standard time. 2:00 eastern standard time. some 38 minutes ago. vice president lyndon johnson has left the hospital in dallas but we do not know to where he has proceeded. presumably he will be taking the oath of office. >> rose: many americans recall where they were when they heard the news. clint hill remembers. he was there. he is the secret service agent who jumped on to the back of the presidential limousine when the three shots were fired. for years he refused to speak publicly about the tragedy he had witnessed firsthand. now he's put his thoughts down in writing. his new memoir is called "five days in dallas." i'm very pleased to have clint hill at this table for the first time. welcome. >> thank you, sir. >> rose: no one who has been involved in journalism as long as i have will ever forget-- because he was a friend of mine-- mike wallace and the c